FPS在桥梁结构减隔震方面的研究现状

The current research status of PFS in the isolation bridge structure

从结构隔震技术发展的角度来看,减隔震支座是目前应用比较成熟的抗震形式。本文首先从减隔震支座的工作原理入手,简要介绍了摩擦摆隔震支座的特性。通过近几年来相关学者对摩擦摆隔震支座参数对抗震性能的影响以及地震动输入参数和桥梁自身动力特性对摩擦摆隔震支座减隔震性能的影响,对摩擦摆隔震支座在桥梁工程减隔震中的研究进展进行了分别论述。最后根据摩擦摆隔震支座在桥梁工程的研究现状,探讨了摩擦摆隔震装置在我国桥梁隔震技术领域的相关问题和研究方向。

From the perspective of the development of structural seismic isolation technology,seismic isolation bearing is one of the mature seismic forms.This paper starts from the working principle of isolation bearings,briefly introduce the characteristics of FPS bearings.Followed by relevant research on the friction pendulum isolation bearing parameters of the seismic performance in recent years and the influence of the ground motion input parameters and the dynamic characteristics of bridge itself on friction pendulum isolation bearing vibration isolation performance,the influence of the friction pendulum isolation bearing the research progress of the epicenter in the bridge engineering and isolation are described respectively.Finally,according to the research status of friction pendulum bearings in bridge engineering,this paper discusses the problems and the research direction of the friction pendulum isolation device in our country.